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Binary Tree Traversal
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Binary Tree Traversal
Inorder / Preorder / Postorder / Level-order (BFS). LC 94, 144, 145, 102.
Unvisited
Current
Visited (order)
In queue (BFS)
Controls
Traversal
Inorder (L→Root→R)
Preorder (Root→L→R)
Postorder (L→R→Root)
Level-order (BFS)
Speed
Run
Reset
Time: O(n) | Space: O(h) DFS / O(n) BFS
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